package com.shop.om.filter;

import lombok.extern.slf4j.Slf4j;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author cjt
 * @version 1.0.0
 * @description
 * @date 2020/6/24  17:16
 * @Version v1.0
 **/
@Slf4j
@Component
@Order(Ordered.HIGHEST_PRECEDENCE)
public class BaseFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) res;
        response.setHeader("Access-Control-Allow-Origin",request.getHeader("origin"));
        //response.setHeader("Access-Control-Allow-Origin","*");
        response.setHeader("Access-Control-Allow-Credentials","true");
        response.setHeader("Access-Control-Allow-Headers", "Content-Type,Content-Length, Authorization, Accept,X-Requested-With,X-App-Id, X-Token");
        response.setHeader("Access-Control-Allow-Methods","PUT,POST,GET,DELETE,OPTIONS");
        response.setHeader("Access-Control-Max-Age", "3600");
        chain.doFilter(request,response);

    }

    @Override
    public void destroy() {

    }
}
